package com.hqyj.springboot.config;

import com.hqyj.springboot.interceptor.ViewMappingInterceptor;
import org.apache.catalina.connector.Connector;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ResourceUtils;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;


@Configuration
@AutoConfigureAfter(WebMvcAutoConfiguration.class)
public class WebMvcConfig  implements WebMvcConfigurer {
    @Value("${server.http.port}")
    private int httpPort;

    @Autowired
    private ResourceConfigBean resourceConfigBean;
    @Autowired
    private ViewMappingInterceptor viewMappingInterceptor;

    @Bean
   public Connector connector(){
      Connector connector = new Connector();
      connector.setPort(httpPort);
      connector.setScheme("http");
      return connector;
   }

   @Bean
   public ServletWebServerFactory servletWebServerFactory(){
       TomcatServletWebServerFactory factory = new TomcatServletWebServerFactory();
       factory.addAdditionalTomcatConnectors(connector());
       return factory;
   }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        String osName = System.getProperty("os.name");
        if (osName.toLowerCase().startsWith("win")) {
            //      将本地文件夹映射给系统一个路径
            registry.addResourceHandler(resourceConfigBean.getResourcePathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX +
                            resourceConfigBean.getLocalPathForWindow());
        }else {
            registry.addResourceHandler(resourceConfigBean.getResourcePathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX+
                           resourceConfigBean.getLocalPathForLinux() );
        }


    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedOriginPatterns("*")
                .allowedMethods("*")
                .maxAge(3600);

    }

    //添加拦截器
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(viewMappingInterceptor).addPathPatterns("/**");
    }
}
